US3388919A
Expired / Lapsed
US
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Assignee: Allstate Campbell Inc
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Filing: 1966-10-05
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Granted: 1968-06-18
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Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 Norman A Waag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:30
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/18; B62B1/20; B62B1/208; B62B2202/00; B62B2202/22; B62B2202/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2992011A
Cited
US3106303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |